SO GENERAL SCIENCE 



Misuse of these rooms and of their furnishings by any one is 

 evidence of unfitness to associate with those whose ways 

 are decent and considerate. 



The extended use of ice in summer time, especially when 

 put into water or other drinks to cool them, involves risks 

 to health from two causes. The chilling effect upon the 

 digestive tract, due to any reduction in temperature much 



FIG. 20. Sanitary drinking fountain. 



below 99 F. not only seriously affects the distribution of the 

 blood supply of the body but it impairs the powers of secret- 

 ing the digestive fluids. Then, too, there is the ever present 

 danger of infection from the ice. Whether artificial or 

 natural, it may have become contaminated either in its 

 storage or in its distribution to the consumer. Complete 

 protection from infection demands that ice shall never be put 

 into drinks of any kind. 



